Introduction

A Flanged Ball Valve is a type of valve that connects to a pipeline via a flange and opens and closes by rotating a ball. It is used for media shut-off and isolation in industrial pipelines.

Specification

Item	Specification
Model	P60FB or OEM
Working Temperature	-196 ℃ to +400 ℃
Design Standard	ANSI B16.34 / ASME Section VIII Div. 1 / EN 12516-1
Face-to-Face Dimension	ASME B16.1 / EN 558-1 F4 (PN) / EN 558-1 F5 (PN)
Stem Design	Anti Blow-out Stem
Tightness Class	API 598 Class A / ASME B16.104 / FCI 70-2 Class VI / GOST 54808 Class A / EN 12266-1 / ISO 5208

Features

No Welding Required: Utilizing a flange connection, the valve achieves a seal by bolting to the pipe flange, eliminating the need for on-site welding. It can directly connect to pipelines conforming to ASME B16.5 and other dimensional standards.

Easy Maintenance: The valve can be removed entirely from the pipeline by unscrewing the flange bolts, without cutting or damaging the pipeline structure. Suitable for applications requiring periodic replacement or maintenance.

Zero Leakage: The valve stem features a blow-out prevention structure, inserted from the inside of the valve body and restrained by a shoulder. When internal pressure is applied, the force direction is opposite to the ejection direction, preventing the valve stem from escaping and creating a leakage path.

Applications

Oil and Gas: Used for on/off control in pipelines to achieve pipeline segment isolation and maintenance access.

Petrochemicals: Used for shut-off control of liquid or gaseous media in process pipelines.

Power and Industrial Systems: Used for steam and process fluid systems to achieve isolation operations during equipment maintenance.

Water Treatment: Used for fluid on/off and segmentation control in water supply and wastewater pipelines.

FAQ

Q: How to choose between flange and welded connections?

A: Flanged connections are chosen when valve disassembly or replacement is required later. For permanent installations where disassembly is not considered, welded structures can be considered to reduce connection points.

Q: How to ensure leak-free flange connections?

A: Flanges, gaskets, and bolts of the corresponding pressure rating must be selected according to standards and tightened evenly to the specified torque to ensure sufficient contact pressure at the sealing surface.

Q: Is it suitable for low-temperature or high-temperature conditions?

A: The applicable range is -196℃ to +400℃. Matching valve bodies and sealing materials must be selected based on the temperature to ensure that the structure and sealing performance meet the operating requirements.

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